.cn-img-wrap{
    text-align: center;
}

.cn-img-box {
    width: 100px;
    height: 100px;
    text-align: center;
    overflow: hidden;
    -webkit-border-radius: 100%;
    -moz-border-radius: 100%;
    border-radius: 100%;
    line-height: 100px;
}
.cn-img-box img{
    width: 100px;
    height: 100px;
}